Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in generators and increases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. decreases in generators and increases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 0.7. 1. 0.54. 0.3. 0.7. 1. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The basic function of a transformer is to change the frequency the power level the level of the voltage the power factor the frequency the power level the level of the voltage the power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f f² V V² f f² V V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. ANSWER DOWNLOAD EXAMIANS APP
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